Stovepipe-joint.



PATENTED JULY 10, 1906.

W. A. 000KB. STOVEPIPB JOINT. APPLIUATION FILED SEPT. 23. 1905.

Inventor,

Attorneys.

Ext/4M WILLIAM A. (JOOKE. OF ELDORAIE SPRINGS, VISSOURI.

STOVEPlPE-dOlNT.

Specification of Letters Patent.

Patented July 10, 1906.

Application filed September 23.1905. Serial No. 279,820.

Tort/lwhom it rim/y concern:

Be it known that 1,.W1LLIA3I A. CooKE, a citizen of the United States, residing at Eldorado Springs, in the county of Cedarand State of Missouri, have invented a new and useful Stove ipe-Joint, of which the following isa speci lcation.

This invention relates to Stovepipe-joints.

The object of the invention is to provide a simple and novel form of stove )ipe-joint in the use of which adjustments of the pipe to desired lengths may be secured and in which the parts shall be held in such manner as positively to preclude accidental separationwhen once properly combined.

W'ith the above and other objects in view, as will appear as the nature of the invention is better understood, the same consists in the novel construction and combination of parts of a stovcpipe-joint, as will be hereinafter fully described and claimed.

in the accompanying drawings, forming a part of this specifitattion, and in which like characters of reference indicate corresponding parts, Figure 1 is a view in elevation of two sections of pipe detached and constructed to form a joint according to the present invention. Fig. 2 is a transverse sectional view taken on the line 2 2, Fig. 1, with the sections of the pipe assentblett/ Fig. 3 isa similar view taken on the line 3 3, Fig. 1.

Referring to the drawings, 1 designates the male member of the joint, and 2 the female member. The female member is provided at one side of its scam 3 and parallel therewith with a longitudinally-disposed upstruck channel 4, from which project spaced lateral upstruck seats 5, of which there may be any suitable number.

The channel and seats will be formed in the metal of the member 2, preferablybefore the seam is made, and may be accomplished by passing the sheet of metal between rollers, one of which hasits periphery provided with a patrice to indent the metal to secure the obj ects sought.

The male member is provided near one end with a stud 6, which is of a size and height freely to move within the channel and seats.

The stud is herein shown as rectangular; but

it is to be understood that it may be of any other preiorred cont-our in cross-section. lu-

with one of the seats when the desired ad justment has been secured, the male member is provided with graduation marks or indicators 7, that are spaced apart a distance ct ual to that between the seats, so that when t e two members are nested and one of the gradu ationmarks is brought into alinement-with the lower edge of the member 2 the operator will know that the lug is opposite the appropriate seat, and by giving a turn to the member 1 the interlocking of the two members will be effected.

Owing to the thickness produced at the seam 3 without a special construction of the channel 4, the circular form of the female member would be destroyed, so that there would be a space formed between the two members, through which soot, smoke, or the like could escape. To obviate this defect, the

outer walls of the seats are disposed at an angle that is substantially tangential to the ci'rcuinference of the member 2, thereby disposing the channel 4 on a plane suiliciently removed from the inner wall of themember to cause it to compensate for the thickness of the scam 3, whereby the circular continuity of the inncrwall of the section 2 is maintained, as clearly shown by reference to Figs. 2 and 3. Bythc angular disposition of the seats there will be a locking relation between them and the stud 6, which will 0 erate to hold the members properly asscm led when once adjusted.

As the outer walls of the seats 5 are inclined relative to the member 2, it will be understood that when the two members have been placed in engagement with the stud 6 within.

one. of the seats by partly rotating the member 1 within the member 2 the stud can be forced tightly against the inclined wall, which will bind thereon and act as a lock to hold the two members against accidental displacement.

The improvements herein defined While simple in character will be found thoroughly effective for the purpose designed and may be applied to stovepipes with but slight trouble and expense.

l-laving thus described the invention, what is claimed is 1. In a Stovepipe-joint a member providcd with a longitudinal channel, and parallel-spaced seats disposed at right angles thereto, the outer wa is of the seats being inclined relative to the member, and a second member having a stud to engage any one of ITO the seats and bind upon the inclined Wall thereof.

2. In a stovepipe-joint a member having an upstruck longitudinal channel and lateral upstruck seats disposed at right angles thereto, the outer Walls of said seats being inclined relative to the member and said seats being of greatest depth at their receiving end and gradually diminishing toward their other end, and a second member having a stud adapted to project into any one of the seats, the inclined Wall of said seat adapted to bind upon the stud to hold it against displacement within the seat, said stud-carrying member bearing indicating-marks spaced apart at distances equal to those between the seats.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two Witnesses.

WILLIAM A. COOKE.

Witnesses: KIMBALL HILL, I CHARLES A. EDGAR. 

